201017424 has 80 divisors (see below), whose sum is σ = 555214464. Its totient is φ = 62515200.

The previous prime is 201017419. The next prime is 201017429. The reversal of 201017424 is 424710102.

It is a happy number.

201017424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201017419) and next prime (201017429).

It is a self number, because there is not a number n which added to its sum of digits gives 201017424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201017429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43044 + ... + 47484.

Almost surely, 2^201017424 is an apocalyptic number.

201017424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201017424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277607232).

201017424 is an abundant number, since it is smaller than the sum of its proper divisors (354197040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201017424 is a wasteful number, since it uses less digits than its factorization.

201017424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 201017424 is about 14178.0613625418. The cubic root of 201017424 is about 585.7935260969.

Adding to 201017424 its reverse (424710102), we get a palindrome (625727526).

The spelling of 201017424 in words is "two hundred one million, seventeen thousand, four hundred twenty-four".